155625425 has 12 divisors (see below), whose sum is σ = 199201536. Its totient is φ = 120483600.

The previous prime is 155625347. The next prime is 155625427. The reversal of 155625425 is 524526551.

155625425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155625425 - 2¹⁶ = 155559889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155625427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99629 + ... + 101178.

It is an arithmetic number, because the mean of its divisors is an integer number (16600128).

Almost surely, 2^155625425 is an apocalyptic number.

It is an amenable number.

155625425 is a deficient number, since it is larger than the sum of its proper divisors (43576111).

155625425 is a wasteful number, since it uses less digits than its factorization.

155625425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200848 (or 200843 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 155625425 is about 12474.9919839654. The cubic root of 155625425 is about 537.8900575959.

The spelling of 155625425 in words is "one hundred fifty-five million, six hundred twenty-five thousand, four hundred twenty-five".